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27 November, 08:18

The scale of a model train is 4 inches to 30 feet. One of the cars of the model train is 6 inches long. What is the length, in feet, of the actual train car?

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  1. 27 November, 10:24
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    The answer is 45 feet. You would set up the problem as two ratios, 4 inches to 30 feet and 6 inches to x feet. You would then cross multiply to solve for x where 4x = 180 and x = 45 feet.
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